The ROS Wiki is for ROS 1. Are you using ROS 2 (Humble, Iron, or Rolling)? Check out the ROS 2 Project DocumentationPackage specific documentation can be found on index.ros.org
ROS 概観: はじめに | コンセプト | 上位概念 | クライアント ライブラリ | Technical Overview
Wiki: ja/Menus/Overview (last edited 2010-01-11 17:35:47 by KentaYonekura)